tag_options

# File actionpack/lib/action_view/helpers/tag_helper.rb, line 135
        def tag_options(options, escape = true)
          unless options.blank?
            attrs = []
            options.each_pair do |key, value|
              if key.to_s == 'data' && value.is_a?(Hash)
                value.each do |k, v|
                  unless v.is_a?(String) || v.is_a?(Symbol) || v.is_a?(BigDecimal)
                    v = v.to_json
                  end
                  v = ERB::Util.html_escape(v) if escape
                  attrs << %(data-#{k.to_s.dasherize}="#{v}")
                end
              elsif BOOLEAN_ATTRIBUTES.include?(key)
                attrs << %(#{key}="#{key}") if value
              elsif !value.nil?
                final_value = value.is_a?(Array) ? value.join(" ") : value
                final_value = ERB::Util.html_escape(final_value) if escape
                attrs << %(#{key}="#{final_value}")
              end
            end
            " #{attrs.sort * ' '}".html_safe unless attrs.empty?
          end
        end